Finding the Fourth Proportional to 9,875.28, 14,725.81 and 9,786.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,875.28 : 14,725.81 = 9,786.38 : x
2. Step 2: Convert to fraction form
   9,875.28/14,725.81 = 9,786.38/x
3. Step 3: Cross multiply
   9,875.28x = 14,725.81 × 9,786.38
4. Step 4: Simplify right side
   9,875.28x = 144,112,372.47
5. Step 5: Solve for x
   x = 144,112,372.47/9,875.28
6. Step 6: Final answer
   x = 14,593.24